Concept explainers
a.
To calculate:
The probability that you, your brother and friend are choose.
a.
Answer to Problem 14CT
The probability that you, your brother and friend are choose is
Explanation of Solution
Given information:
Random chooses volunteers
Formula used:
Where,
Calculation:
Write the number of possible outcomes as the number of combinations of
Now, find the outcomes of the number of favorable outcomes. There are
So, the probability can be calculated as follows:
Hence, the probability that you, your brother and friend are choose is
b.
To calculate:
The probability that you are cook, your brother is bodyguard and your friend is the counselor.
b.
Answer to Problem 14CT
The probability that you are cook, your brother is bodyguard and your friend is the counselor is
Explanation of Solution
Given information:
Random chooses volunteers
Calculation:
First, find the number of favorable outcomes. The cook can be chosen in
So, the probability is calculated as follows:
Hence, the probability that you are cook, your brother is bodyguard and your friend is the counselor is
Chapter 10 Solutions
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